dimensions = (200, 50)
print(dimensions[0])
print(dimensions[1])

# dimensions[0] = 250

for dimension in dimensions:
    print(dimension)

print("\nOriginal dimensions: ")
for dimension in dimensions:
    print(dimension)

#修改dimension的值
dimensions = (400, 100)
print("\nModiffied dimensions: ")
for dimension in dimensions:
    print(dimension)


#自助餐
print("\n五种简单的自助餐")
dimensions = (1, 2, 3, 4, 5)
for dimension in dimensions:
    print(dimension)

print("\n修改其中一个参数")
# dimensions[1] = 22
# print(dimensions)

print("\n餐厅更改了两个食物")
dimensions = (1, 22, 33, 4, 5)
for dimension in dimensions:
    print(dimension)